Agreement of different methods for assessing sleep characteristics: a comparison of two actigraphs, wrist and hip placement, and self-report with polysomnographyMelanie Zinkhan, Andreas Stang, Klaus Berger et al.|Sleep Medicine|2014Cited by 240
Impact of pulmonary hypertension on gas exchange and exercise capacity in patients with pulmonary fibrosisSven Gläser, Christoph Schäper, Bernd Schmidt et al.|Respiratory Medicine|2008Cited by 98